﻿71. POLYPODIUM. § 1. EUPOLYPODIUM. d. PINNATAE. 595 



£.1. Texture charlaceous to coriaceous; fronds often erect. (*) 

 2. Pinnae + hairy or scaly beneath. 

 a. Fronds to S\ c.M. broad. 

 /3. Pinnae entire. 



y. Sori immersed. (7S) P. decipiens. 



7.7. Sori superficial or hardly immersed. 



(?. Stipes hairy. (76a) P. moUicomum. 



(766) P. pseudoarticulatum. 

 (J.!?. Stipes scaly. 



e. Surfaces scaly. (77) P. malaccanum. 

 s.s. Surfaces pubescent. 



(78) P. brachyphlebium. 

 jS.p. Pinnae crenate or toothed. (79) P. lividuin. 



«.«. Fully developed fronds more than 3^j^ c.M. broad. 



+. Fronds nearly sessile. (80) P. khasyanum. 



+.+. Fronds distinctly stalked. (81) P. celebicum. 



3.3. Pinnae naked, the rachis often so. 

 3. Rachis naked. 



S=. Pinnae entire or slightly crenate. 

 5. Sori superficial. 



6. Sori submarginal. (82) decrescens, 



€.€. Sori not submarginal. 



7. Pinnae ± i^j^ — i^l^ c.M. long, slight- 

 ly and irregularly crenate. 



(83) P. Cesatianum. 

 '9.7. Pinnae + 3%—4^j^ c.M. long, en- 

 tire. (84) Curtisii. 

 S.S. Sori + immersed. 



6'. Sori solitary and terminal on the pinnae. 



(85) P. davalliaceum. 

 €'.€'. Sori otherwise, 3 or more to a pinna. 

 7'. Pinnae sublanceolate, narrowed near 

 the base. (86) P. duriusculum. 



7'.{P". Pinnae not sublanceolate, not nar- 

 rowed near the base. 



C) See also P. obliquatum, Bl, 

 Fu-ICES. 5? 



